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the best amp to run the bass of infinity RS-1b's

I have a pair of infinity rs 1b's and am running them with a pair of bryston 4b-st's. I have a nakamichi dragon 3 piece cd setup with a nakamichi CA7A pre-amp to the brystons. I have 2 pairs of mit MH-750 CVTerminator II cables to the speakers. I am looking at a pair of Bryston 7b's at 500/ch at 8ohms, 800/ch at 4ohms. Classe Ca-400 400/ch at 8ohms, 800/ch at 4ohms. Mcintosh mc2500 500/ch at 8ohms. Perreaux 5150b at 500/ch 8ohms. I like rock,jazz country and classical. All the amps are for sale in my area and I am wondering which would give me the best punch and sound for the type of music i listen to.

Thanks for the help
Darin
darinkperih

Showing 3 responses by sean

sean
6,231 posts
 
Darin: Sounds like you've not only got a very nice sounding system, but one that is also quite eye-catching too. I'll keep an eye out for your next thread as i'll be interested to see where you go with cables. Sean
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sean
6,231 posts
 
Judging from past experiences, i would consider the Classe' and Perreaux long before either of the others. A Sunfire Signature with their factory "low impedance mods" aka "Apogee mods" would also be a good candidate. These are rated at 600 wpc @ 8, 1200 @ 4, etc... Actual clipping power on mine was 780 wpc @ 8 and 1480 wpc @ 4.

As a side note, you better have a healthy AC system if you want any of these amps to work optimally. Any of them will be able to suck a 20 amp circuit dry on momentary peaks if you are standing on them at low impedances. As such, if you haven't already done so, you should get your AC system straightened out first before spending more money on something that you might not necessarily need. My guess is that you probably do need more amplifier than what you have, but assuring consistent power feed to the amps that you already have might be enough to make you think twice about needing an upgrade. Sean
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sean
6,231 posts
 
Darinkperih: Glad that things worked out for you. I somehow missed both your original and follow-up posts to this thread. Not only am i glad that you were able to get the Perreaux working again, i'm glad that you were at least initially happy with the results. After having the Perreaux 5150 up and running for almost a year now, i'm wondering what your thoughts are now that you've had a good amount of time with this unit. Is it still shaking the foundation of your building or have you moved onto something else? Sean
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